1  /* unlinkat -- Remove a name relative to an open directory.  Hurd version.
       2     Copyright (C) 2006-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <errno.h>
      20  #include <fcntl.h>
      21  #include <stddef.h>
      22  #include <unistd.h>
      23  #include <hurd.h>
      24  #include <hurd/fd.h>
      25  
      26  
      27  /* Remove the link named NAME.  */
      28  int
      29  __unlinkat (int fd, const char *name, int flag)
      30  {
      31    error_t err;
      32    file_t dir;
      33    const char *file;
      34  
      35    if ((flag &~ AT_REMOVEDIR) != 0)
      36      return __hurd_fail (EINVAL);
      37  
      38    dir = __directory_name_split_at (fd, name, (char **) &file);
      39    if (dir == MACH_PORT_NULL)
      40      return -1;
      41  
      42    err = ((flag & AT_REMOVEDIR) ? __dir_rmdir : __dir_unlink) (dir, file);
      43    __mach_port_deallocate (__mach_task_self (), dir);
      44  
      45    if (err)
      46      return __hurd_fail (err);
      47    return 0;
      48  }
      49  
      50  weak_alias (__unlinkat, unlinkat)